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From: John Baldwin <jhb@freebsd.org>
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Cc: hackers@freebsd.org, Christopher Bowman <freebsd-hackers@chrisbowman.com>
Subject: Re: Missing files device_if.h and bus_if.h
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On Sunday, July 18, 2010 1:40:58 am Christopher Bowman wrote:
> Can a pci/pcie dirver be loaded and unloaded like a kld?

Yes.  Typically Makefiles for driver modules list 'driver_if.h' and 'bus_if.h' 
in their SRCS line and bsd.kmod.mk generates them during the build.

-- 
John Baldwin